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| author |   Sabrina Dubroca <sd@queasysnail.net> | 2018-08-30 16:01:18 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-08-31 23:14:20 -0700 |
| commit | c81c7012e0c769b5704c2b07bd5224965e76fb70 (patch) | |
| tree | 7e60253fdb5ba6257d1d3d4a0c419db38c11a2d0 /tools | |
| parent | selftests: pmtu: maximum MTU for vti4 is 2^16-1-20 (diff) | |
| download | linux-dev-c81c7012e0c769b5704c2b07bd5224965e76fb70.tar.xz linux-dev-c81c7012e0c769b5704c2b07bd5224965e76fb70.zip | |
selftests: pmtu: detect correct binary to ping ipv6 addresses
Some systems don't have the ping6 binary anymore, and use ping for
everything. Detect the absence of ping6 and try to use ping instead.
Fixes: d1f1b9cbf34c ("selftests: net: Introduce first PMTU test")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/net/pmtu.sh | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh index 0ecf2609b9a4..32a194e3e07a 100755 --- a/tools/testing/selftests/net/pmtu.sh +++ b/tools/testing/selftests/net/pmtu.sh @@ -46,6 +46,9 @@ # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 +# Some systems don't have a ping6 binary anymore +which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping) + tests=" pmtu_vti6_exception vti6: PMTU exceptions pmtu_vti4_exception vti4: PMTU exceptions @@ -274,7 +277,7 @@ test_pmtu_vti6_exception() { mtu "${ns_b}" veth_b 4000 mtu "${ns_a}" vti6_a 5000 mtu "${ns_b}" vti6_b 5000 - ${ns_a} ping6 -q -i 0.1 -w 2 -s 60000 ${vti6_b_addr} > /dev/null + ${ns_a} ${ping6} -q -i 0.1 -w 2 -s 60000 ${vti6_b_addr} > /dev/null # Check that exception was created if [ "$(route_get_dst_pmtu_from_exception "${ns_a}" ${vti6_b_addr})" = "" ]; then |